body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    background: url(https://l2etu.ecoledunet.com/beziers/Kafi_Asma/exo%2016/images/fond.jpg);
}

h1 {
    color: #009900;
    font-size: 28px;
    font-weight: bold;
    text-decoration: underline;
}

.Dinosaures { 
    color: #FFFFFF;
    font-size: 14px;
    text-align: justify;
    letter-spacing: 1px;
    text-indent: 40px;
    line-height: 28px;
    background: orange;
    padding: 15px;
}

.Oiseaux {
color: #993366;
font-size: 16px;
font-weight: bold;
text-transform: uppercase;
line-height: 25px;
text-align: center;
}

.Classification {
    color: #333333;
    font-size: 14px;
    letter-spacing: 2px;
    text-align: justify;
    padding: 15px;
    border: 1px dashed #FF6600;
    line-height: 28px;
}